These are heavy hitters used by corporations. They are rarely used for "budget VPS hosting" due to cost and complexity.

By exploring Virtualizor alternatives, you can find a more suitable solution that meets your organization's evolving virtualization needs.

Cobbler is a Linux installation server that allows for rapid setup of new systems.

Proxmox is widely considered the top open-source alternative. It is a bare-metal, enterprise-ready platform that combines KVM virtualization and LXC containers.